2 × 3² × 7² × 11 × 41

Prime Factor Structure

Factorization String 2 × 3^2 × 7^2 × 11 × 41

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 1,120,392

Proper Divisor Sum 722,610

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #397763 ← → #397799

1 2 3 6 7 9 11 14 18 21 22 33 41 42 49 63 66 77 82 98 99 123 126 147 154 198 231 246 287 294 369 441 451 462 539 574 693 738 861 882 902 1,078 1,353 1,386 1,617 1,722 2,009 2,583 2,706 3,157 3,234 4,018 4,059 4,851 5,166 6,027 6,314 8,118 9,471 9,702

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

397,782 198,891 596,674 298,337 895,012 447,506 223,753 671,260 335,630 167,815 503,446 251,723 755,170 377,585 1,132,756 566,378 283,189 849,568 424,784 212,392 106,196 53,098 26,549 79,648 39,824 19,912 9,956 4,978 2,489 7,468 3,734 1,867 5,602 2,801 8,404 4,202 2,101 6,304 3,152 1,576 788 394 197 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13

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